# Chemical Manufacturing Industry (area sources): CMAS — EPA NESHAP Source Category Applicability Crosswalk

For Chemical Manufacturing Industry (area sources): CMAS, cfr subpart is 40 CFR 63 Subpart VVVVVV (6V); source type is area sources; original final rule date is 2009-10-29; most recent amendment date is 2026-04-01; rtr status is completed, recorded from its source on 2026-08-15.

- **source category:** Chemical Manufacturing Industry (area sources): CMAS
- **cfr subpart:** 40 CFR 63 Subpart VVVVVV (6V)
- **source type:** area sources _(our reading, not quoted from the source)_
- **original final rule date:** 2009-10-29
- **most recent amendment date:** 2026-04-01
- **rtr status:** completed
- **key haps regulated:** hazardous air pollutants from nine area source categories in the chemical manufacturing sector _(verified: appears in the quote below)_
- **epa category url:** https://www.epa.gov/stationary-sources-air-pollution/chemical-manufacturing-area-sources-national-emission-standards _(our reading, not quoted from the source)_

## What the source says

> These national emission standards are for the control of hazardous air pollutants for nine area source categories in the chemical manufacturing sector: Agricultural Chemicals and Pesticides Manufacturing, Cyclic Crude and Intermediate Production, Industrial Inorganic Chemical Manufacturing, Industrial Organic Chemical Manufacturing, Inorganic Pigments Manufacturing, Miscellaneous Organic Chemical Manufacturing, Plastic Materials and Resins Manufacturing, Pharmaceutical Production, and Synthetic Rubber Manufacturing.

## Source

- https://www.epa.gov/stationary-sources-air-pollution/chemical-manufacturing-area-sources-national-emission-standards

Last verified: 2026-08-15. Review by: 2026-12-13.
Part of [EPA NESHAP Source Category Applicability Crosswalk](https://referencesource.org/neshap-source-category-crosswalk/).